Bulma Gapless class is used to remove the space between the columns, add the is-gapless modifier on the columns container. The Gapless column can be combined with the is-multiline modifier class.
Bulma Gapless classes:
- is-gapless: This class is used to remove the gap between columns.
<div class="columns is-gapless"> ..... </div>
Example: Below example illustrate the Gapless class in Bulma.
<!DOCTYPE html>
<html>
<head>
<title>Bulma Panel</title>
<link rel='stylesheet'
href=
'https://cdn.jsdelivr.net/npm/bulma@0.9.3/css/bulma.min.css'>
</head>
<body class="has-text-centered">
<h1 class="is-size-2 has-text-success">
GeeksforGeeks
</h1> <b>Bulma Columns Gapless</b>
<br>
<section class="section">
<div class="container">
<div class="columns is-gapless">
<div class="column has-background-success">
First column
</div>
<div class="column has-background-primary">
Second column
</div>
<div class="column has-background-success">
Third column
</div>
<div class="column has-background-primary">
Fourth column
</div>
</div>
</div>
</section>
</body>
</html>
Output:

Reference: https://bulma.io/documentation/columns/gap/#gapless